private void RegisterEvents()
{
MyLogger.LogAppended += (log) => { LBstatus.Text = MakeOneLine(log); };
SWautoScroll.Toggled += delegate
{
EDlog.autoScroll = SWautoScroll.IsToggled;
};
BTNclear.Clicked += async delegate
{
BTNclear.IsEnabled = false;
if (await MyLogger.Ask("Do you want to clear all the logs?"))
{
EDlog.Clear();
MyLogger.Log("All logs cleared.");
}
BTNclear.IsEnabled = true;
};
}
private async Task DownloadFile()
{
if (fileSelected == null)
{
await MyLogger.Alert("Please select a cloud folder first");
}
else
{
switch (Device.RuntimePlatform)
{
case Device.Windows:
if (fileSelected.IsFolder)
{
var picker = new Windows.Storage.Pickers.FolderPicker()
{
ViewMode = Windows.Storage.Pickers.PickerViewMode.List,
SuggestedStartLocation = Windows.Storage.Pickers.PickerLocationId.PicturesLibrary
};
picker.FileTypeFilter.Clear();
picker.FileTypeFilter.Add("*");
var folder = await picker.PickSingleFolderAsync();
if (folder != null)
{
var folderToDownload = fileSelected;
MyLogger.Log($"Folder downloading...\r\nCloud: {folderToDownload.FullName}\r\nLocal: {folder.Path}");
var downloadedFolder = await fileSelected.DownloadFolderOnWindowsAsync(folder);
if (downloadedFolder == null)
{
MyLogger.Log($"Folder download canceled!\r\nCloud: {folderToDownload.FullName}\r\nLocal: {folder.Path}");
}
else
{
MyLogger.Log($"Folder download succeeded!\r\nCloud: {folderToDownload.FullName}\r\nDownloaded: {downloadedFolder.Path}");
}
}
MyLogger.Log("All done!");
}
else
{
var picker = new Windows.Storage.Pickers.FolderPicker()
{
ViewMode = Windows.Storage.Pickers.PickerViewMode.List,
SuggestedStartLocation = Windows.Storage.Pickers.PickerLocationId.PicturesLibrary
};
picker.FileTypeFilter.Clear();
picker.FileTypeFilter.Add("*");
var folder = await picker.PickSingleFolderAsync();
if (folder != null)
{
var fileToDownload = fileSelected;
{
try
{
var existedFile = await folder.GetFileAsync(fileToDownload.Name);
MyLogger.Assert(existedFile != null);
if (await MyLogger.Ask($"\"{fileToDownload.Name}\" already existed in \"{folder.Path}\", overwrite anyway?"))
{
await existedFile.DeleteAsync();
}
else
{
goto indexSkip;
}
}
catch (FileNotFoundException)
{
MyLogger.Log("File not found exception, YA!");
}
}
var localFile = await folder.CreateFileAsync(fileToDownload.Name);
MyLogger.Log($"File downloading...\r\nCloud: {fileToDownload.FullName}\r\nLocal: {localFile.Path}");
await fileSelected.DownloadFileOnWindowsAsync(localFile);
indexSkip :;
}
MyLogger.Log("All done!");
}
break;
default:
await MyLogger.Alert($"File picker currently not supported on {Device.RuntimePlatform} devices.");
break;
}
}
}
public FileTransferPage() : base("File Transfer")
{
MyLogger.TestMethodAdded += (name, task) =>
{
var ti = new MyToolbarItem(name);
ti.Clicked += async delegate { await task(); };
this.ToolbarItems.Add(ti);
};
{
GDmain = new MyGrid();
GDmain.RowDefinitions.Add(new Xamarin.Forms.RowDefinition {
Height = new Xamarin.Forms.GridLength(1, Xamarin.Forms.GridUnitType.Auto)
});
GDmain.RowDefinitions.Add(new Xamarin.Forms.RowDefinition {
Height = new Xamarin.Forms.GridLength(1, Xamarin.Forms.GridUnitType.Star)
});
{
GDctrl = new MyGrid();
GDctrl.ColumnDefinitions.Add(new Xamarin.Forms.ColumnDefinition {
Width = new Xamarin.Forms.GridLength(3, Xamarin.Forms.GridUnitType.Star)
});
GDctrl.ColumnDefinitions.Add(new Xamarin.Forms.ColumnDefinition {
Width = new Xamarin.Forms.GridLength(1, Xamarin.Forms.GridUnitType.Star)
});
GDctrl.ColumnDefinitions.Add(new Xamarin.Forms.ColumnDefinition {
Width = new Xamarin.Forms.GridLength(2, Xamarin.Forms.GridUnitType.Star)
});
GDctrl.ColumnDefinitions.Add(new Xamarin.Forms.ColumnDefinition {
Width = new Xamarin.Forms.GridLength(4, Xamarin.Forms.GridUnitType.Star)
});
GDctrl.ColumnDefinitions.Add(new Xamarin.Forms.ColumnDefinition {
Width = new Xamarin.Forms.GridLength(1, Xamarin.Forms.GridUnitType.Star)
});
GDctrl.ColumnDefinitions.Add(new Xamarin.Forms.ColumnDefinition {
Width = new Xamarin.Forms.GridLength(1, Xamarin.Forms.GridUnitType.Star)
});
GDctrl.ColumnDefinitions.Add(new Xamarin.Forms.ColumnDefinition {
Width = new Xamarin.Forms.GridLength(1, Xamarin.Forms.GridUnitType.Star)
});
GDctrl.ColumnDefinitions.Add(new Xamarin.Forms.ColumnDefinition {
Width = new Xamarin.Forms.GridLength(1, Xamarin.Forms.GridUnitType.Star)
});
GDctrl.ColumnDefinitions.Add(new Xamarin.Forms.ColumnDefinition {
Width = new Xamarin.Forms.GridLength(1, Xamarin.Forms.GridUnitType.Star)
});
int columnNumber = 0;
{
var sw = new MySwitch("Auto Restart Failed tasks", "Manual Restart Failed Tasks", false);
FTmain = new FileTransferContentView();
sw.Toggled += delegate { FTmain.SetAutoRestartFailedTasks(sw.IsToggled); };
sw.IsToggled = true;
GDctrl.Children.Add(sw, columnNumber++, 0);
}
{
var toSpeedText = new Func <long, string>((value) =>
{
double v = value;
if (v <= 1023)
{
return($"{v.ToString("F5").Remove(5).PadRight(5, '0')} B/s");
}
v /= 1024;
if (v <= 1023)
{
return($"{v.ToString("F5").Remove(5).PadRight(5, '0')} KB/s");
}
v /= 1024;
return($"{v.ToString("F5").Remove(5).PadRight(5, '0')} MB/s");
});
var lbl = new MyLabel($"{toSpeedText(0)}")
{
VerticalTextAlignment = TextAlignment.Center
};
System.Threading.SemaphoreSlim semaphoreSlim = new System.Threading.SemaphoreSlim(1, 1);
long totalAmountSent = 0;
CloudFile.Networker.ChunkProcceeded += async(coda) =>
{
totalAmountSent += coda;
DateTime startTime = DateTime.Now;
await semaphoreSlim.WaitAsync();
while ((DateTime.Now - startTime).TotalSeconds <= 5)
{
lbl.Text = $"{toSpeedText(totalAmountSent / 5)}";
await Task.Delay(100);
}
totalAmountSent -= coda;
lbl.Text = toSpeedText(totalAmountSent / 5);
lock (semaphoreSlim) semaphoreSlim.Release();
};
GDctrl.Children.Add(lbl, columnNumber++, 0);
}
{
var btn = new MyButton("Reset");
GDctrl.Children.Add(btn, columnNumber++, 0);
var lbl = new MyLabel("")
{
VerticalTextAlignment = TextAlignment.Center
};
long totalAmountLeft = 0, totalFilesLeft = 0, totalFoldersLeft = 0;
long totalAmount = 0, totalFiles = 0, totalFolders = 0;
btn.Clicked += async delegate
{
btn.IsEnabled = false;
if (await MyLogger.Ask("Are you sure to reset the statistic data?\r\nIncluding: total data amount, file count, folder count"))
{
totalAmount = totalFiles = totalFolders = 0;
}
btn.IsEnabled = true;
};
var toSizeText = new Func <long, string>((value) =>
{
double v = value;
if (v <= 1023)
{
return($"{v.ToString("F5").Remove(5)} B");
}
v /= 1024;
if (v <= 1023)
{
return($"{v.ToString("F5").Remove(5)} KB");
}
v /= 1024;
if (v <= 1023)
{
return($"{v.ToString("F5").Remove(5)} MB");
}
v /= 1024;
if (v <= 1023)
{
return($"{v.ToString("F5").Remove(5)} GB");
}
v /= 1024;
return($"{v.ToString("F5").Remove(5)} TB");
});
System.Threading.SemaphoreSlim semaphoreSlim = new System.Threading.SemaphoreSlim(1, 1);
DateTime lastUpdate = DateTime.MinValue;
var showResult = new Func <Task>(async() =>
{
var updateTime = DateTime.Now;
await semaphoreSlim.WaitAsync();
if (updateTime <= lastUpdate)
{
return;
}
lbl.Text = $"{toSizeText(totalAmountLeft)} / {toSizeText(totalAmount)} \t{totalFilesLeft } / {totalFiles} files \t{totalFoldersLeft } / {totalFolders} folders";
await Task.Delay(100);
lock (semaphoreSlim) semaphoreSlim.Release();
});
CloudFile.Networker.TotalAmountRemainChanged += async(coda) => { if (coda < 0)
{
totalAmount -= coda;
}
totalAmountLeft += coda; await showResult(); };
CloudFile.Networker.TotalFilesRemainChanged += async(coda) => { if (coda < 0)
{
totalFiles -= coda;
}
totalFilesLeft += coda; await showResult(); };
CloudFile.Networker.TotalFoldersRemainChanged += async(coda) => { if (coda < 0)
{
totalFolders -= coda;
}
totalFoldersLeft += coda; await showResult(); };
GDctrl.Children.Add(lbl, columnNumber++, 0);
}
{
var actions = new Dictionary <CloudFile.Networker.NetworkStatus, Func <int, Task> >();
foreach (var status in Enum.GetValues(typeof(CloudFile.Networker.NetworkStatus)).Cast <CloudFile.Networker.NetworkStatus>())
{
networkers[status] = new HashSet <CloudFile.Networker>();
string text;
Func <CloudFile.Networker, Task> clickAction = null;
switch (status)
{
case CloudFile.Networker.NetworkStatus.Completed: text = "\u2714"; break;
case CloudFile.Networker.NetworkStatus.ErrorNeedRestart:
{
text = "\u26a0";
clickAction = new Func <CloudFile.Networker, Task>(async(networker) =>
{
await networker.ResetAsync();
await networker.StartAsync();
});
}
break;
case CloudFile.Networker.NetworkStatus.Networking:
{
text = "\u23f8";
clickAction = new Func <CloudFile.Networker, Task>(async(networker) =>
{
await networker.PauseAsync();
});
}
break;
case CloudFile.Networker.NetworkStatus.NotStarted:
{
text = "\u23f0";
clickAction = new Func <CloudFile.Networker, Task>(async(networker) =>
{
await networker.StartAsync();
});
}
break;
case CloudFile.Networker.NetworkStatus.Paused:
{
text = "\u25b6";
clickAction = new Func <CloudFile.Networker, Task>(async(networker) =>
{
await networker.StartAsync();
});
}
break;
default: throw new Exception($"status: {status}");
}
MyButton btn = new MyButton(text)
{
Opacity = 0
};
if (status == CloudFile.Networker.NetworkStatus.Completed)
{
btn.IsEnabled = false;
}
btn.Clicked += async delegate
{
IEnumerable <Task> tasks;
lock (networkers)
{
tasks = networkers[status].ToList().Select(async(networker) => { await clickAction(networker); });
}
await Task.WhenAll(tasks);
};
int number = 0;
System.Threading.SemaphoreSlim semaphoreSlim = new System.Threading.SemaphoreSlim(1, 1);
DateTime lastUpdate = DateTime.Now;
actions[status] = new Func <int, Task>(async(difference) =>
{
bool isZeroBefore = (number == 0);
number += difference;
DateTime updateTime = DateTime.Now;
await semaphoreSlim.WaitAsync();
try
{
if (updateTime <= lastUpdate)
{
return;
}
lastUpdate = updateTime;
btn.Text = $"{text}{number}";
if (number == 0 && !isZeroBefore)
{
await btn.FadeTo(0, 500);
}
if (number != 0 && isZeroBefore)
{
await btn.FadeTo(1, 500);
}
await Task.Delay(100);
}
finally
{
lock (semaphoreSlim) semaphoreSlim.Release();
}
});
GDctrl.Children.Add(btn, columnNumber++, 0);
}
FTmain.StatusEnter += async(networker, status) =>
{
networkers[status].Add(networker);
await actions[status](1);
};
FTmain.StatusLeave += async(networker, status) =>
{
networkers[status].Remove(networker);
await actions[status](-1);
};
}
GDmain.Children.Add(GDctrl, 0, 0);
}
{
GDmain.Children.Add(new Frame {
OutlineColor = Color.Accent, Padding = new Thickness(5), Content = FTmain
}, 0, 1);
}
this.Content = GDmain;
}
}